updated

speaker-driver.lua

@@ -1,15 +1,11 @@
 local speaker = peripheral.find("speaker")
 local dfpwm = require("cc.audio.dfpwm")
-local encoder = dfpwm.make_encoder()
-local decoder = dfpwm.make_decoder()
 
 local sounds = {
     {name = "notification", file = "notification.dfpwm"}
 }
 
 local function initialize()
-    kernel = require("kernel")
-    kernel.addSound("notification")
     speaker = peripheral.find("speaker")
     if not speaker then
         print("Warning: No speaker attached.")
@@ -39,7 +35,6 @@ local function play(name)
         return false
     end
 
-    -- Create a new decoder for this playback to reset state
     local decoder = dfpwm.make_decoder()
     
     for chunk in io.lines(filePath, 16 * 1024) do
@@ -50,7 +45,6 @@ local function play(name)
     end
     return true
 end
-----------------
 
 local function getFileName(name)
     local extension = ".dfpwm"
@@ -68,6 +62,7 @@ end
 
 local function playSound(fileName)
     local fileStream = getFileName(fileName)
+    local decoder = dfpwm.make_decoder()
     local values = io.lines(fileStream, 16 * 1024)
     for input in values do
         local decoded = decoder(input)
@@ -77,20 +72,26 @@ local function playSound(fileName)
     end
 end
 
-
-
 local function playTTSFile(value)
     local message = textutils.urlEncode(value)
     local url = "http://api.astrocore.space/api/TextToSpeech?message=" .. message
     local response, err = http.get { url = url, binary = true }
+
+    if not response then
+        print("TTS request failed: " .. (err or "unknown error"))
+        return false
+    end
+
     local name = randomFileName()
     local fileName = name .. ".dfpwm"
 
     local fileData = response.readAll()
-    local file = fs.open(fileName,"w")
+    response.close()
+
+    local file = fs.open(fileName, "wb")
     file.write(fileData)
     file.close()
-    response.close()
+
     playSound(name)
     shell.execute("rm", fileName)
 end